package strategy;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.Queue;

public class Strategy {

	public static void main(String[] args) {
		Graph graph;
		graph = getGraph();
		graph.draw();
	} 
	
	public static Graph getGraph(){
		//选择逻辑
		return null;
	}
	
}

 class ListNode {
    int val;
    ListNode next = null;

    ListNode(int val) {
        this.val = val;
    }
}
 
 class TreeNode {
	    int val = 0;
	    TreeNode left = null;
	    TreeNode right = null;

	    public TreeNode(int val) {
	        this.val = val;

	    }
}
 
 class RandomListNode {
	    int label;
	    RandomListNode next = null;
	    RandomListNode random = null;

	    RandomListNode(int label) {
	        this.label = label;
	    }
	}